Finding the Fourth Proportional to 5,224,069.56, 7,832,526.92 and 2,660,321.75
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Solution
The fourth proportional to 5,224,069.56, 7,832,526.92 and 2,660,321.75 is: 3,988,660.84
Step by Step Solution
- Step 1: Write the proportion equation
5,224,069.56 : 7,832,526.92 = 2,660,321.75 : x - Step 2: Convert to fraction form
5,224,069.56/7,832,526.92 = 2,660,321.75/x - Step 3: Cross multiply
5,224,069.56x = 7,832,526.92 × 2,660,321.75 - Step 4: Simplify right side
5,224,069.56x = 20,837,041,670,272.27 - Step 5: Solve for x
x = 20,837,041,670,272.27/5,224,069.56 - Step 6: Final answer
x = 3,988,660.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.